Buggy code:
public class Util { public static boolean isRightClick ( final MouseEvent e ) { } public static double toUsUValue ( final double siUValue ) { } public static double toSiRValue ( final double usRValue ) { } public static double toUsRValue ( final double siUValue ) { } public static double findBoundLength ( final BoundingVolume bounds ) { } public static double angleBetween ( final ReadOnlyVector3 a , final ReadOnlyVector3 b , final ReadOnlyVector3 n ) { } public static String toString ( final ReadOnlyVector3 v ) { } public static String toString2D ( final ReadOnlyVector3 v ) { } public static void disablePickShadowLight ( final Spatial spatial ) { } public static void disablePickShadowLight ( final Spatial spatial , final boolean disablePick ) { } public static boolean insidePolygon ( final ReadOnlyVector3 p , final List < ? extends ReadOnlyVector3 > polygon ) { } public static boolean insidePolygon ( final Point p , final List < ? extends Point > polygon ) { } public static Path2D makePath2D ( final List < ? extends Point > polygon ) { } private static double area ( final double x1 , final double y1 , final double x2 , final double y2 , final double x3 , final double y3 ) { } public static boolean isPointInsideTriangle ( final ReadOnlyVector2 p , final ReadOnlyVector2 p1 , final ReadOnlyVector2 p2 , final ReadOnlyVector2 p3 ) { } public static Vector3 closestPoint ( final ReadOnlyVector3 p1 , final ReadOnlyVector3 v1 , final int x , final int y ) { } public static Vector3 closestPoint ( final ReadOnlyVector3 p1 , final ReadOnlyVector3 p21 , final ReadOnlyVector3 p3 , final ReadOnlyVector3 p43 ) { } public static Vector2 projectPointOnLine ( final ReadOnlyVector2 point , final ReadOnlyVector2 p1 , final ReadOnlyVector2 p2 , final boolean limitToLineSegment ) { } public static double projectPointOnLineScale ( final ReadOnlyVector2 point , final ReadOnlyVector2 p1 , final ReadOnlyVector2 p2 ) { } public static Vector3 projectPointOnLine ( final ReadOnlyVector3 point , final ReadOnlyVector3 p1 , final ReadOnlyVector3 p2 , final boolean limitToLineSegment ) { } public static double projectPointOnLineScale ( final ReadOnlyVector3 point , final ReadOnlyVector3 p1 , final ReadOnlyVector3 p2 ) { } public static Vector2 snapToPolygon ( final ReadOnlyVector3 point , final List < ReadOnlyVector3 > polygon , final List < ReadOnlyVector3 > wallNormals ) { } public static Vector3 intersectLineSegments ( final ReadOnlyVector3 a1 , final ReadOnlyVector3 a2 , final ReadOnlyVector3 b1 , final ReadOnlyVector3 b2 ) { } public static void initHousePartLabel ( final BMText label ) { } public static double round ( final double x ) { } public static boolean isEqual ( final ReadOnlyVector3 a , final ReadOnlyVector3 b ) { } public static boolean isEqual ( final ReadOnlyVector2 a , final ReadOnlyVector2 b ) { } public static boolean isEqual ( final double a , final double b ) { } public static boolean isZero ( final double x ) { } public static boolean suppressReportError = false ; public static void reportError ( final Throwable e ) { if ( ! ( Util . suppressReportError ) ) <START_BUG> JOptionPane . showMessageDialog ( MainFrame . getInstance ( ) , ( "Error<seq2seq4repair_space>occured!<seq2seq4repair_space>Please<seq2seq4repair_space>notify<seq2seq4repair_space>us<seq2seq4repair_space>of<seq2seq4repair_space>this<seq2seq4repair_space>problem:\n" + ( e . getMessage ( ) ) ) , "Logging<seq2seq4repair_space>Error" , JOptionPane . ERROR_MESSAGE ) ; <END_BUG> } public static final void openBrowser ( final String url ) { } public static String getFileName ( final String path ) { } public static void selectSilently ( final AbstractButton button , final boolean selected ) { } public static void selectSilently ( final JComboBox < ? > comboBox , final int selectedIndex ) { } public static void selectSilently ( final JComboBox < ? > comboBox , final Object item ) { } public static void setSilently ( final JSpinner spinner , final Object value ) { } public static void setSilently ( final JSlider slider , final int value ) { } public static void setSilently ( final JTextComponent tc , final String text ) { } public static JButton getButtonSubComponent ( final Container container ) { } public static double area3D_Polygon ( final ArrayList < ReadOnlyVector3 > points , final ReadOnlyVector3 normal ) { } public static double computeArea ( final Mesh mesh ) { } public static Vector3 computeCenter ( final Mesh mesh ) { } private static double computeTriangleArea ( final ReadOnlyVector3 p1 , final ReadOnlyVector3 p2 , final ReadOnlyVector3 p3 ) { } }

Fix:
JOptionPane . showMessageDialog ( MainFrame . getInstance ( ) , ( "Error<seq2seq4repair_space>occured!<seq2seq4repair_space>Please<seq2seq4repair_space>notify<seq2seq4repair_space>us<seq2seq4repair_space>of<seq2seq4repair_space>this<seq2seq4repair_space>problem:\n" + ( e . getMessage ( ) ) ) , "Error" , JOptionPane . ERROR_MESSAGE ) ;